Home / 714,322.80-1,070,609.40-314,539.20

Finding the Fourth Proportional to 714,322.80, 1,070,609.40 and 314,539.20

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Solution

The fourth proportional to 714,322.80, 1,070,609.40 and 314,539.20 is: 471,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,322.80 : 1,070,609.40 = 314,539.20 : x
  2. Step 2: Convert to fraction form
    714,322.80/1,070,609.40 = 314,539.20/x
  3. Step 3: Cross multiply
    714,322.80x = 1,070,609.40 × 314,539.20
  4. Step 4: Simplify right side
    714,322.80x = 336,748,624,188.48
  5. Step 5: Solve for x
    x = 336,748,624,188.48/714,322.80
  6. Step 6: Final answer
    x = 471,423.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.